<?php
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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abstract class RpcAcsRequest extends AcsRequest
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{
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private $dateTimeFormat = 'Y-m-d\TH:i:s\Z';
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private $domainParameters = array();
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function __construct($product, $version, $actionName, $locationServiceCode = null, $locationEndpointType = "openAPI")
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{
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parent::__construct($product, $version, $actionName, $locationServiceCode, $locationEndpointType);
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$this->initialize();
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}
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private function initialize()
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{
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$this->setMethod("GET");
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$this->setAcceptFormat("JSON");
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}
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private function prepareValue($value)
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{
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if (is_bool($value)) {
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if ($value) {
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return "true";
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} else {
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return "false";
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}
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} else {
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return $value;
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}
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}
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public function composeUrl($iSigner, $credential, $domain)
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{
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$apiParams = parent::getQueryParameters();
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foreach ($apiParams as $key => $value) {
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$apiParams[$key] = $this->prepareValue($value);
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}
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$apiParams["RegionId"] = $this->getRegionId();
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$apiParams["AccessKeyId"] = $credential->getAccessKeyId();
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$apiParams["Format"] = $this->getAcceptFormat();
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$apiParams["SignatureMethod"] = $iSigner->getSignatureMethod();
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$apiParams["SignatureVersion"] = $iSigner->getSignatureVersion();
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$apiParams["SignatureNonce"] = md5(uniqid(mt_rand(), true));
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$apiParams["Timestamp"] = gmdate($this->dateTimeFormat);
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$apiParams["Action"] = $this->getActionName();
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$apiParams["Version"] = $this->getVersion();
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$apiParams["Signature"] = $this->computeSignature($apiParams, $credential->getAccessSecret(), $iSigner);
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if (parent::getMethod() == "POST") {
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$requestUrl = $this->getProtocol()."://". $domain . "/";
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foreach ($apiParams as $apiParamKey => $apiParamValue) {
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$this->putDomainParameters($apiParamKey, $apiParamValue);
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}
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return $requestUrl;
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} else {
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$requestUrl = $this->getProtocol()."://". $domain . "/?";
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foreach ($apiParams as $apiParamKey => $apiParamValue) {
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$requestUrl .= "$apiParamKey=" . urlencode($apiParamValue) . "&";
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}
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return substr($requestUrl, 0, -1);
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}
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}
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private function computeSignature($parameters, $accessKeySecret, $iSigner)
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{
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ksort($parameters);
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$canonicalizedQueryString = '';
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foreach ($parameters as $key => $value) {
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$canonicalizedQueryString .= '&' . $this->percentEncode($key). '=' . $this->percentEncode($value);
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}
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$stringToSign = parent::getMethod().'&%2F&' . $this->percentencode(substr($canonicalizedQueryString, 1));
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$signature = $iSigner->signString($stringToSign, $accessKeySecret."&");
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return $signature;
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}
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protected function percentEncode($str)
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{
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$res = urlencode($str);
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$res = preg_replace('/\+/', '%20', $res);
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$res = preg_replace('/\*/', '%2A', $res);
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$res = preg_replace('/%7E/', '~', $res);
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return $res;
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}
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public function getDomainParameter()
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{
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return $this->domainParameters;
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}
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public function putDomainParameters($name, $value)
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{
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$this->domainParameters[$name] = $value;
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}
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}
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